CVE-2025-41259
HIGHSWUpdate Untrusted Script Execution via Signed Update TOCTOU
Title source: cnaDescription
SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.
References (3)
Core 3
Core References
Third Party Advisory third-party-advisory
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251206-01_SWUpdate_Untrusted_Script_Execution_via_Signed_Update_TOCTOU
Product product
https://github.com/sbabic/swupdate
Scores
CVSS v4
7.3
EPSS
0.0010
EPSS Percentile
1.1%
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-367
Status
published
Products (1)
sbabic/SWUpdate
< 2026.05
Published
Jun 03, 2026
Tracked Since
Jun 03, 2026